Home / 22,665.10-33,968.78-12,809.86

Finding the Fourth Proportional to 22,665.10, 33,968.78 and 12,809.86

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Solution

The fourth proportional to 22,665.10, 33,968.78 and 12,809.86 is: 19,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665.10 : 33,968.78 = 12,809.86 : x
  2. Step 2: Convert to fraction form
    22,665.10/33,968.78 = 12,809.86/x
  3. Step 3: Cross multiply
    22,665.10x = 33,968.78 × 12,809.86
  4. Step 4: Simplify right side
    22,665.10x = 435,135,316.17
  5. Step 5: Solve for x
    x = 435,135,316.17/22,665.10
  6. Step 6: Final answer
    x = 19,198.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.